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題 名 | Species Composition of Fish in the Coastal Zones of the Tsengwen Estuary, with Descriptions of Five New Records from Taiwan=曾文溪河口附近沿岸河口域之魚種組成兼記五種臺灣新記錄魚種 |
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作 者 | 郭世榮; 邵廣昭; | 書刊名 | 動物研究學刊 |
卷 期 | 38:4 1999.10[民88.10] |
頁 次 | 頁391-404 |
分類號 | 388.5 |
關鍵詞 | 魚相; 地理分布; 生活史; 名錄; 曾文溪河口; Fish fauna; Species composition; Life cycle; Checklist; Tsengwen river estuary; |
語 文 | 英文(English) |
中文摘要 | 本文報導自1994年10月至1997年7月期間,在臺灣曾文溪與其附近共五處河口地區以不同漁具所調查到之魚類。文中除列出其魚種學名外,並包括各種魚類的生活史,習性和世界地理分布。研究期間,共採獲80科244種沿岸魚類,其中以�貌窸蓮魽]Gobiidae)的種數最多(34種,13.9%);其次為�雓魽]Carangidae)(15種,6.1%),天竺鯛科(Apogonidae)及鯡科(Clupeidae)(11種,4.5%)次之。在所有魚種中,有將近半數,即10科、111種在過去西海岸的魚種組成文獻中並未記錄到,其中包括五種係臺灣尚未記錄過的種類,這五種分別是雙邊魚科的少棘雙邊魚(Ambassis miops)、斷線雙邊魚(A. interruptus)、康氏雙邊魚(A. commersonii)及鮨科之鞍帶石斑魚(Epinephelus lanceolatus)、及鱵科的董氏異鰭鱵(Zenarchopterus dunckeri)。文中亦附有此五種之標本照片。在生活史方面,共有208種海水性的魚種在此河口地區出現過,其中124種為純海水性種;84種為海水--河口性種,29種為河口性種,6種為淡水性種,1種為降海性種。比較本地區與臺灣北部、南部主要河口地區魚相之間相似性的結果時,發現臺灣西海岸的河口魚相也有南北不同的差異,且隨地理位置及距離,依次排列。即曾文溪附近五處河口自成一群,與更南部之高屏溪口、鹽水及二仁溪口相近,而與北部淡水河口之魚相最遠。 |
英文摘要 | Fishes in the estuary of the Tsengwen River and nearby coastal zone were collected using different gear between October 1994 and July 1997. A checklist of all fish species is given in the present paper together with their lifecycle category, life habits, and world zoogeographical distribution. Totally 80 families and 244 species of inshore fishes were recorded from 5 estuarine zones along the coast near the Tsengwen River mouth. Among these families, Gobiidae had the most species (34 species, 13.9%); Carangidae the 2nd (15 species, 6.1%); and then Apogonidae and Clupeidae (11 species, 4.5%). Nearly half of these species, including 10 families and 111 species, were not previously recorded from the entire western coast of Taiwan, and include 5 new records for Taiwan. They are Ambassis miops, A. interruptus, and A. commersoni of the Ambassidae; Epinephelus lanceolatus of the Serranidae; and Zenarchopterus dunkeri of the Hemiramphidae. Diagnostic characters and specimen photographs of these 5 species are provided. The fishes collected throughout the estuarine areas comprised 208 marine species, of which 124 were marine stragglers and 84 were marine estuarine-opportunists, together with 29 estuarine species, 6 freshwater species, and 1 catadromous species. Comparison of the faunistic similarities and the dendrogram among the 5 estuarine zones near Tsengwen, the estuarine zones of Tainan (Yenshui and Erhjen), of the Kaoping River in southern Taiwan, and the Tanshui River in northern Taiwan indicate that the species composition of the 5 Tsengwen estuarine zones are in 1 cluster, and they group with the southern estuaries of both Tainan and Kaoshiung rather than with the northern fish fauna at Tanshui. This result is consistent with previous studies on coral reef and mangrove fishes whose results indicate that community structures between northern and southern Taiwan are quite different. |
本系統中英文摘要資訊取自各篇刊載內容。